Answer:

Step-by-step explanation:
Using the general equation
, we already know that
and
, but we need to find
from the period:

Hence, the cosine function is 
Answer:
700
Step-by-step explanation:
420×5=2100
2100÷3=700
Answer: 700
He used 74.4 lbs of type A coffee.
If he is using a mixture of two divide the total of cost by 2 to get the amount of what one of the coffee costed, then divide that by 5.55 and you get the answer.
Answer:
its 120.1
Step-by-step explanation:
Next to the tenth is hundredth .You look whether its bigger than 5 or less.